After World War II, this former concentration camp in Northern Italy became a refuge for those displaced by the war.

South of Bologna, a limestone grotto with a protruding waterfall and a floor full of cave pearls.

These ruins of a Phoenician sanctuary in Sicily have a dark history.

Before the more famous Royal Palace of Caserta, the king of Naples first commissioned this overlooked residence.

This archaeological site built into a tuff outcrop is filled with rock dwellings, the ruins of a medieval castle, and a necropolis.

The ruins of this medieval castle now stand as a monument against all wars.

This seventh-century fortification marked the western border of the Lombard duchy of Spoleto.

The hilltop town of Segni was once home to an ancient Roman colony and garrison.

A monk spent 14 years carving steps through tuff to make this religious site more accessible to pilgrims.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

A trail of footprints discovered after a landslide was left not by the Devil, as originally believed, but by an early human ancestor.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

The remains of 50,000 World War I soldiers rest under a towering arch overlooking the Alpine battlefields.

A devastating landslide accidentally created this tourist hotspot.

The construction of a new church near Venosa was started in the 11th century, but never finished.

This long-abandoned village sits across a narrow gorge from a still-inhabited settlement that was once its twin.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

This castle was once the home of one of the most powerful women of the Renaissance.

This uniquely designed bridge served as the city gate for Comacchio.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

A modest museum in the final home of Italian poet and father of modern Italian, Francesco Petrarca.

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.

The ruins of this medieval tower are destined to crumble into the sea.

This 1st-century CE Roman bath sits under a carpark.